[REN-BGP-stats-all] Global R&E Routing Table Report - KREONet2 view

REN Routing Table Report cscora at frr.nsrc.org
Thu Nov 18 20:15:29 UTC 2021


Global R&E Routing Table Report   20:15 GMT Thu 18 Nov, 2021

  BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

Analysis Summary
----------------

BGP routing table entries examined:                               20516
    Prefixes after maximum aggregation (per Origin AS):           11185
    Deaggregation factor:                                          1.83
    Unique aggregates announced (without unneeded subnets):       12576
Total ASes present in the Internet Routing Table:                  2810
    Prefixes per ASN:                                              7.30
Origin-only ASes present in the Internet Routing Table:            2408
Origin ASes announcing only one prefix:                            1107
Transit ASes present in the Internet Routing Table:                 402
Transit-only ASes present in the Internet Routing Table:             74
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                15
    Number of instances of unregistered ASNs:                        15
Number of 32-bit ASNs allocated by the RIRs:                      37850
Number of 32-bit ASNs visible in the Routing Table:                 623
Prefixes from 32-bit ASNs in the Routing Table:                    1826
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              4
Number of addresses announced to Internet:                    269674263
    Equivalent to 16 /8s, 18 /16s and 231 /24s
    Percentage of available address space announced:                7.3
    Percentage of allocated address space announced:                7.3
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:        2522

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     5098
    Total APNIC prefixes after maximum aggregation:                2439
    APNIC Deaggregation factor:                                    2.09
Prefixes being announced from the APNIC address blocks:            4982
    Unique aggregates announced from the APNIC address blocks:     2733
APNIC Region origin ASes present in the Internet Routing Table:     583
    APNIC Prefixes per ASN:                                        8.55
APNIC Region origin ASes announcing only one prefix:                247
APNIC Region transit ASes present in the Internet Routing Table:     71
Average APNIC Region AS path length visible:                        3.9
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    223
Number of APNIC addresses announced to Internet:               47490924
    Equivalent to 2 /8s, 212 /16s and 167 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-151865
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                      9482
    Total ARIN prefixes after maximum aggregation:                 5162
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:             9577
    Unique aggregates announced from the ARIN address blocks:      5870
ARIN Region origin ASes present in the Internet Routing Table:     1244
    ARIN Prefixes per ASN:                                         7.70
ARIN Region origin ASes announcing only one prefix:                 446
ARIN Region transit ASes present in the Internet Routing Table:     163
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     162
Number of ARIN addresses announced to Internet:               154994113
    Equivalent to 9 /8s, 61 /16s and 5 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-401308
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  47/8,  48/8,  50/8,  52/8,  53/8,
                        54/8,  55/8,  56/8,  57/8,  63/8,  64/8,  65/8,
                        66/8,  67/8,  68/8,  69/8,  70/8,  71/8,  72/8,
                        73/8,  74/8,  75/8,  76/8,  96/8,  97/8,  98/8,
                        99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8,
                       130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8,
                       138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8,
                       147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8,
                       158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8,
                       166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8,
                       174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8,
                       206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
                      

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                      3458
    Total RIPE prefixes after maximum aggregation:                 2768
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3485
    Unique aggregates announced from the RIPE address blocks:      2804
RIPE Region origin ASes present in the Internet Routing Table:      671
    RIPE Prefixes per ASN:                                         5.19
RIPE Region origin ASes announcing only one prefix:                 321
RIPE Region transit ASes present in the Internet Routing Table:     108
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     132
Number of RIPE addresses announced to Internet:                59768010
    Equivalent to 3 /8s, 143 /16s and 252 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-213403
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                    1551
    Total LACNIC prefixes after maximum aggregation:                620
    LACNIC Deaggregation factor:                                   2.50
Prefixes being announced from the LACNIC address blocks:           1553
    Unique aggregates announced from the LACNIC address blocks:     867
LACNIC Region origin ASes present in the Internet Routing Table:    181
    LACNIC Prefixes per ASN:                                       8.58
LACNIC Region origin ASes announcing only one prefix:                70
LACNIC Region transit ASes present in the Internet Routing Table:    26
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    80
Number of LACNIC addresses announced to Internet:               4532256
    Equivalent to 0 /8s, 69 /16s and 40 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-272796 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                    912
    Total AfriNIC prefixes after maximum aggregation:               189
    AfriNIC Deaggregation factor:                                  4.83
Prefixes being announced from the AfriNIC address blocks:           915
    Unique aggregates announced from the AfriNIC address blocks:    298
AfriNIC Region origin ASes present in the Internet Routing Table:    52
    AfriNIC Prefixes per ASN:                                     17.60
AfriNIC Region origin ASes announcing only one prefix:               23
AfriNIC Region transit ASes present in the Internet Routing Table:   13
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2887936
    Equivalent to 0 /8s, 44 /16s and 17 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 102/8, 105/8, 154/8, 196/8, 197/8,
                      

APNIC Region per AS prefix count summary
----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         633       2157     458  SINET-AS Research Organization of Infor
  7497         431        182      24  CSTNET-AS-AP Computer Network Informati
 45102         233        420      89  ALIBABA-CN-NET Alibaba US Technology Co
 58647         198         18       2  KAGAWAU-AS Kagawa University, JP
  1237         191         74     135  KREONET-AS-KR KISTI, KR
  7575         176        329     122  AARNET-AS-AP Australian Academic and Re
  4538         175       4192      72  ERX-CERNET-BKB China Education and Rese
 55824         128         19      22  NKN-CORE-NW NKN Core Network, IN
  4621          80         37      10  UNINET-AS-AP UNINET-, TH
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 15169         729       3282      67  GOOGLE, US
  7896         250         51       7  NU-AS, US
   668         212        702     180  DNIC-AS-00668, US
  8075         206      11189     185  MICROSOFT-CORP-MSN-AS-BLOCK, US
   376         204        178     153  RISQ-AS, CA
  5786         195         16       1  UPRENET, PR
  6939         173        121     123  HURRICANE, US
  2152         163        507      89  CSUNET-NW, US
 18558         136         18       4  NETBLK-RCOEK, US
   270         119        329      88  AS270, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         277       1998     237  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         177         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          98       1520      85  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        677      77  ASGARR Consortium GARR, IT
   553          72        449      72  BELWUE BelWue-Koordination, DE
  2200          68        647      61  FR-RENATER Reseau National de telecommu
  2614          59         33      57  ROEDUNET, RO
  1930          57         81      52  RCCN Fundacao para a Ciencia e a Tecnol

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         204        207      42  Associacao Rede Nacional de Ensino e Pe
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          94         24      54  Red Universitaria Nacional, CL
  1251          65         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          60        102      40  Fundacao Carlos Chagas Filho de Amparo 
 52286          53          4      31  Columbus Networks Guatemala, GT
 19611          45         17       2  Associacao Antonio Vieira - Unisinos, B
 61468          45          3      15  CEDIA, EC
  4270          43         16       1  Red de Interconexion Universitaria, AR
 28614          38          2       2  Fundacao Universidade Regional de Blume

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         344        319      73  TENET-1, ZA
327687         125         28       3  RENU, UG
 36914          99         82       3  KENET-AS, KE
  2561          73          5      32  EUN, EG
  8094          50         48       4  PUKNET, ZA
327700          42         16       1  MoRENet, MZ
 37215          33          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37182          15          8       1  TERNET, TZ
 37074          11          8       2  UG-AS, GH

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 15169         729       3282      67  GOOGLE, US
  2907         633       2157     458  SINET-AS Research Organization of Infor
  7497         431        182      24  CSTNET-AS-AP Computer Network Informati
  2018         344        319      73  TENET-1, ZA
   680         277       1998     237  DFN Verein zur Foerderung eines Deutsch
  7896         250         51       7  NU-AS, US
 45102         233        420      89  ALIBABA-CN-NET Alibaba US Technology Co
   668         212        702     180  DNIC-AS-00668, US
  8075         206      11189     185  MICROSOFT-CORP-MSN-AS-BLOCK, US
   376         204        178     153  RISQ-AS, CA

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  7497         431          407  CSTNET-AS-AP Computer Network Information Cente
  2018         344          271  TENET-1, ZA
  7896         250          243  NU-AS, US
 58647         198          196  KAGAWAU-AS Kagawa University, JP
  5786         195          194  UPRENET, PR
  2907         633          175  SINET-AS Research Organization of Information a
  8895         177          173  ISU Internet Services Unit ISU, SA
  1916         204          162  Associacao Rede Nacional de Ensino e Pesquisa, 
 45102         233          144  ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
 18558         136          132  NETBLK-RCOEK, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     29955  UNALLOCATED  192.104.1.0/24            2495  KANREN, US
    394784  UNALLOCATED  192.107.242.0/24         40831  PHS, US
     29955  UNALLOCATED  198.252.8.0/21            2495  KANREN, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    396334  UNALLOCATED  205.143.136.0/21          5078  ONENET-AS-1, US
    396334  UNALLOCATED  205.143.136.0/24          5078  ONENET-AS-1, US
    396334  UNALLOCATED  205.143.137.0/24          5078  ONENET-AS-1, US
    396334  UNALLOCATED  205.143.138.0/24          5078  ONENET-AS-1, US
    396334  UNALLOCATED  205.143.139.0/24          5078  ONENET-AS-1, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-dsua

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24      Transit:     17579  KREONET2-AS-KR KISTI, KR
192.107.242.0/24     Origin:    394784  UNASSIGNED
192.107.242.0/24    Transit:     40831  PHS, US
205.166.145.0/24     Origin:    394784  UNASSIGNED
205.166.145.0/24    Transit:     40831  PHS, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:0        /9:1       /10:4       /11:6       /12:24      
/13:37      /14:84      /15:155     /16:2171    /17:446     /18:491     
/19:716     /20:938     /21:952     /22:1496    /23:1639    /24:11032   
/25:80      /26:68      /27:58      /28:37      /29:32      /30:18      
/31:0       /32:31      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 15169         273         729  GOOGLE, US
  8895         172         177  ISU Internet Services Unit ISU, SA
 36914          85          99  KENET-AS, KE
  6939          68         173  HURRICANE, US
 23024          53         114  OCDE, US
327700          36          42  MoRENet, MZ
 58647          34         198  KAGAWAU-AS Kagawa University, JP
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          31          45  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:5         5:17        6:4         8:6        12:1        13:1      
  14:84       18:42       23:14       24:6        31:6        35:1      
  37:6        38:9        40:1        41:151      42:13       44:5      
  45:74       46:6        47:32       49:10       50:4        52:2      
  58:4        59:20       60:4        61:3        62:7        63:38     
  64:84       65:7        66:59       67:45       68:8        69:21     
  70:7        71:1        72:23       74:83       76:33       77:6      
  78:3        79:6        80:17       81:27       82:5        83:7      
  84:9        85:33       86:9        87:1        88:1        89:10     
  91:48       92:1        93:17       94:4        95:4        96:5      
  97:1        98:2       101:8       102:16      103:321     104:76     
 106:1       107:16      108:43      109:9       110:5       111:21     
 112:4       113:1       114:23      116:5       117:61      118:32     
 119:21      121:27      122:8       123:8       124:39      125:4      
 128:83      129:174     130:93      131:94      132:61      133:138    
 134:105     136:188     137:138     138:8       139:5       140:52     
 141:2       142:142     143:35      144:54      145:1       146:125    
 147:61      148:160     149:13      150:42      151:6       152:79     
 153:11      154:24      155:52      156:68      157:25      158:42     
 159:117     160:25      161:23      162:23      163:65      164:42     
 165:53      166:2       167:17      168:163     169:10      170:68     
 171:1       172:91      173:86      175:31      176:8       177:10     
 179:12      180:21      181:12      182:6       184:7       185:44     
 186:3       187:18      188:13      189:3       190:54      191:37     
 192:1453    193:256     194:140     195:90      196:173     197:5      
 198:540     199:287     200:254     201:39      202:633     203:424    
 204:339     205:176     206:195     207:176     208:73      209:134    
 210:184     211:14      212:171     213:4       214:7       216:134    
 217:8       218:25      219:14      220:17      222:5       223:4      


End of report


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